Replacement Options For A 8.5" to 9" Toilet Rough-In

Question

Question:

I have a 2018 Grey Wolf 19SM and I have run into the Dometic 300 toilet smell issue. Ive attempted the seal trick as seen on Youtube and now the problem has presented itself again. I want to replace the Dometic 300 with the 310. I have about 8.5-9 inches of rough-in. Will the 310 fit? If not, what are my other options?

asked by: Andrew A

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Expert Reply:

Dometic's 310 Series RV toilets require a 10" rough-in so you'll be limited to either the 300 series (8.5" rough-in) or 301 series (8.75" rough-in) # DOM24FR. The 300 series line has been known to have issues with smell so the best alternative at this time would be to switch to the # DOM24FR.

expert reply by: Kevin C

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Answer 1

Hey Debbi, I went out to our warehouse and measured the Thetford Aqua-Magic VI Weekender RV Toilet #TH24SE and measured 9" from the floor to the top of the threads. I have also included a picture I took in the warehouse for you to check out. If…

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Answer 2

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 3

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 4

According to Blue Ox, it'll take an experienced installer about 4 to 5 hours to complete the installation of their #BX1128 Base Plate Kit on a 2016 Jeep Grand Cherokee. The install isn't what I'd call super-difficult, but the installation…

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Answer 5

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 6

Hey Andrew! Yes, Furrion does have a Chill Cube model with a heat pump. This was actually just released for aftermarket sale. You will need a complete system to make the switch, new R32 units aren't backwards compatible with old R410A systems.…

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Answer 7

Hi Paul, you’re definitely on the right track here, and I can help you narrow this down with confidence. With your tandem 3,500 lb Dexter axles and 33 inch spacing, both the Dexter EZ Flex part #K71-652-00 and the Lippert Road Armor part #LC53CK are…

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Answer 8

Hey Bryan, that's a good question. The pricing can definitely be misleading, but I wouldn't use it to judge the quality of the tire. A lot of that comes down to promotions, inventory, and whether you're looking at a tire by itself or…

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Answer 9

It sounds like you are speaking of the wires for the brake magnets. If this is correct, you will need to connect one of the wires to the brake controller output wire on your trailer connector and the other wire will need to be grounded to a clean…

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Answer 10

The #84 spindle is just a common way to identify the spindle dimensions typically used for 3,500 lb axles. So instead of listing out the parts, people can just say they have #84 spindles and it's easier to know what fits it. The CE Smith Trailer…

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Answer 11

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

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Answer 12

Hey Jon; I was actually just talking to Furrion about heat options for the Chill Cube yesterday (1/21/2025). At this time, the only way to have heat with this unit is through a furnace on a ducted setup. The Furrion Chill Cube RV AC w/ Air…

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Replacement Options For A 8.5" to 9" Toilet Rough-In

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